Tornado Watch 472

Issued

Aug 29, 2021, 6:07 AM CDT (11:07 UTC)

Expired

Aug 29, 2021, 7:00 PM CDT

In force

13 hr

Issued by

the Storm Prediction Center

Largest hail expected

0.5 in

Strongest gust expected

50 kt

The Mobile radar (KMOB), 50 km from the middle of the area, began a volume at 11:10 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

Two or more tornadoes

50%

One or more EF2 to EF5 tornadoes

10%

Ten or more severe wind reports

5%

One or more gusts of 65 knots or more

5%

Ten or more severe hail reports

5%

One or more hailstones of 2 inches or more

5%

Six or more combined severe hail and wind reports

20%

• Mesoscale Discussion 1637 Severe potential...watch likelyAug 29, 5:07 AM CDT
• Mesoscale Discussion 1638 Tornado watch 472Aug 29, 10:04 AM CDT
• Mesoscale Discussion 1644 Severe potential...tornado watch likelyAug 29, 5:37 PM CDT

083 
WWUS20 KWNS 291104
SEL2  
SPC WW 291104
ALZ000-FLZ000-LAZ000-MSZ000-CWZ000-300000-

URGENT - IMMEDIATE BROADCAST REQUESTED
Tornado Watch Number 472
NWS Storm Prediction Center Norman OK
605 AM CDT Sun Aug 29 2021

The NWS Storm Prediction Center has issued a

* Tornado Watch for portions of 
  Southwestern Alabama
  The western Florida Panhandle
  Southeastern Louisiana
  Southern Mississippi
  Coastal Waters

* Effective this Sunday morning and evening from 605 AM until 700
  PM CDT.

* Primary threats include...
  A few tornadoes possible

SUMMARY...Major Hurricane Ida will make landfall later this morning
in southeastern Louisiana, and continue moving northwestward and
inland through the afternoon.  The threat for supercells and a few
tornadoes will increase through the day in the outer convective
bands to the northeast and east of the center of Ida.

The tornado watch area is approximately along and 80 statute miles
north and south of a line from 20 miles west southwest of Slidell LA
to 40 miles east southeast of Pensacola FL. For a complete depiction
of the watch see the associated watch outline update (WOUS64 KWNS
WOU2).

PRECAUTIONARY/PREPAREDNESS ACTIONS...

REMEMBER...A Tornado Watch means conditions are favorable for
tornadoes and severe thunderstorms in and close to the watch
area. Persons in these areas should be on the lookout for
threatening weather conditions and listen for later statements
and possible warnings.

&&

AVIATION...Tornadoes and a few severe thunderstorms with hail
surface and aloft to 0.5 inches. Extreme turbulence and surface wind
gusts to 50 knots. A few cumulonimbi with maximum tops to 500. Mean
storm motion vector 15045.

...Thompson

Tornado Watches in Mississippi, 2021Tornado Watches in Louisiana, 2021Tornado Watches in Alabama, 2021Every tornado watch in 2021

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.